Hardware Spec Index

Zephyra PW-3128 Ultra 850W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW3128-ULTRA · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index1,424 (Power Supplies scale)
Category rank#18,636
Street price$79
Power850 W (rated)
Performance per dollar18.03
Released2026

Specifications

BrandZephyra
ModelZephyra PW-3128 Ultra
Rated output850 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin2×
Form factorATX
ModularitySemi-modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty5 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-9780 Ti 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,846$369Compare
Vantrel PW-7019 Core 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,054$199Compare
Teralux PW-2177 XT 1000W 80 PLUS Gold ATX 3.1 Power Supply1,875$139Compare
Teralux PW-8865 XT 550W 80 PLUS Gold ATX 3.1 Power Supply785$39Compare
Vantrel PW-1935 Edge 750W 80 PLUS Gold ATX 3.0 Power Supply1,415$99Compare
Teralux PW-5261 Core 1000W 80 PLUS Gold ATX 3.1 Power Supply1,951$169Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3128 Ultra 850W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/29130918 (accessed 2026-10-25).